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In Drought-Stricken West, Officials Weigh Emergency Actions

Federal officials say it may be necessary to reduce water deliveries to users on the Colorado River to prevent the shutdown of a huge dam that supplies hydropower to some 5 million customers across the U.S. West.

Officials had hoped snowmelt would buoy Lake Powell on the Arizona-Utah border to ensure its dam could continue to supply power. But snow is already melting, and hotter-than-normal temperatures and prolonged drought are further shrinking the lake.